Advertising Disclosure

Toilet Flush Valves Comparison - April 2026

1
Best Choice
9.8Exceptional
2
Best Value
9.7Exceptional
3
9.6Exceptional
4
9.5Excellent
5
9.4Excellent
6
9.3Excellent
7
9.2Excellent
View DealOn Amazon
View DealOn Amazon
View DealOn Amazon
View DealOn Amazon
View DealOn Amazon
View DealOn Amazon
View DealOn Amazon

Model

Fluidmaster 400H-5003 Performax Universal Toilet Fill Valve with Tank and Bowl Water Control 2-Pack, Blue
Model
Kohler Genuine Part Gp1083167 Silent Fill Valve Kit For All Kohler Class Five Toilets,12.5" x 3.5" x 3"
Model
Fluidmaster 400AKR Universal All in One Toilet Repair Kit for 2-Inch Flush Valves, Easy Install
Model
Fluidmaster 400H-002 Performax Universal Toilet Fill Valve High Performance Tank and Bowl Water Control, 1-Pack, Multicolor
Model
Korky Ultra Standard 2-Inch Universal Toilet Flapper - Long Lasting Rubber - Easy to Install - Made in USA, 100BP
Model
Fluidmaster K-400H-039 High Performance Toilet Fill Valve with 2-Inch Adjustable Toilet Flapper Kit
Model
KOHLER GENUINE PART 1188998 2" Toilet Canister Flush Valve Kit

Brand

Fluidmaster
Brand
Kohler
Brand
Fluidmaster
Brand
Fluidmaster
Brand
Korky
Brand
Fluidmaster
Brand
Kohler

Reviews

22,408 reviews
Reviews
16,686 reviews
Reviews
14,054 reviews
Reviews
19,662 reviews
Reviews
30,172 reviews
Reviews
1,824 reviews
Reviews
2,060 reviews

Features

Worth the money

9.3
Worth the money
9.4
Worth the money
9.1
Worth the money
9.4
Worth the money
9.3
Worth the money
9.4
Worth the money
9.8

Easy installation

9.4
Easy installation
9.6
Easy installation
9.3
Easy installation
9.8
Easy installation
9.8
Easy installation
9.9
Easy installation
9.8

Instruction

9.1
Instruction
9.1
Instruction
9.1
Instruction
9.6
Instruction
9.4
Instruction
9.6
Instruction
9.3

Long life

8.6
Long life
9.4
Long life
9.1
Long life
8.9
Long life
9.1
Long life
8.9
Long life
9.9

Tech Specs

batteries included

No
batteries included
No
batteries included
No
batteries included
No
batteries included
‎No
batteries included
No
batteries included
No

product dimensions

14.25 x 3.38 x 6.88 inches
product dimensions
11.75 x 3.75 x 3 inches
product dimensions
4.3 x 7.4 x 13.9 inches
product dimensions
3.35 x 4.33 x 13.19 inches
product dimensions
‎4 x 7 x 2 inches
product dimensions
3.54 x 6.3 x 14.37 inches
product dimensions
3.25 x 3.25 x 10.87 inches

item weight

1.4 pounds
item weight
8.8 ounces
item weight
8 ounces
item weight
9.6 ounces
item weight
‎1.4 ounces
item weight
12.8 ounces
item weight
3.2 ounces

item package quantity

1
item package quantity
1
item package quantity
1
item package quantity
1
item package quantity
‎1
item package quantity
1
item package quantity
1

size

2- Pack
size
12.5 x 3.5 x 3
size
2 inches
size
1- Pack
size
‎Small
size
Universal, for 2 In.
size
Pack of 1

batteries required

No
batteries required
No
batteries required
No
batteries required
No
batteries required
‎No
batteries required
No
batteries required
No

color

Blue
color
Black
color
Easy Install
color
Multicolor
color
‎Red
color
Multicolor
color
-

warranty description

7 year limited
warranty description
Warranty
warranty description
5 Year
warranty description
7 year manufacturer
warranty description
‎5 Year Warranty
warranty description
7 Year Limited
warranty description
-

material

Plastic
material
Plastic
material
-
material
Plastic
material
‎Rubber
material
Plastic
material
Metal

style

2-Pack
style
Plumbing Overstock
style
Repair Kit
style
1-Pack
style
‎1 PACK
style
-
style
-

usage

Amateur, Professional
usage
-
usage
-
usage
Professional
usage
-
usage
Inside Amateur, Inside Professional
usage
-

pattern

Control
pattern
-
pattern
-
pattern
Control
pattern
‎Flapper
pattern
-
pattern
-

included components

Toilet Fill Valves
included components
-
included components
-
included components
Toilet Fill Valve and Parts
included components
-
included components
PerforMAX Toilet Fill Valve, 2-Inch Flapper
included components
-

Review

-
Review
-
Review Review Review
-
Review
-
Review

Available On

Available On Available On Available On Available On Available On Available On

Our Top 3 Picks

Here are the top 3 recommended products with more information to help you find the right product for you
  • 9.8
    1
    Fluidmaster
    30% Off

    Fluidmaster 400H-5003 Performax Universal Toilet Fill Valve with Tank and Bowl Water Control 2-Pack, Blue

    9.4 Easy installation
    9.3 worth the money
    9.1 Instruction
    Main highlights
    • Universal fit for most toilet models and brands
    • Tank and Bowl water level adjustment dials to customize the perfect flush and save
    • Fix noisy, or slow filling fill valves with the quietest, most powerful toilet fill valve 2-pack available
    • Easy to install, step-by-step instructions included
    • 2X greater bowl refill for a more powerful flush than standard designs; EZ-Twist height adjusts from 9 in. to 14 in. to fit more tanks; 7 year warranty
  • 9.7
    2
    Kohler
    17% Off

    Kohler Genuine Part Gp1083167 Silent Fill Valve Kit For All Kohler Class Five Toilets,12.5" x 3.5" x 3"

    9.6 Easy installation
    9.4 worth the money
    9.4 Long life

    Why we love it

    Quiet operation enhances bathroom tranquility.
    Fits all Kohler Class Five toilets.
    Simple installation for non-experts.
  • 9.6
    3
    Fluidmaster

    Fluidmaster 400AKR Universal All in One Toilet Repair Kit for 2-Inch Flush Valves, Easy Install

    9.3 Easy installation
    9.1 worth the money
    9.1 Instruction

    Why we love it

    Easy to install in 10 minutes.
    Universal fit for most toilets.
    Improves toilet performance significantly.

Our ranking system

At bestchoice.com, our team curates a selection of top products from a vast array available online, using a sophisticated ranking system based on carefully defined criteria.While traditional hands-on testing has its merits, our use of AI technology offers distinct advantages. AI allows us to process and analyze vast amounts of data from multiple sources, providing a comprehensive view that goes beyond what manual testing can achieve. This approach enables us to deliver insights that are aligned with current trends and consumer preferences, ensuring our reviews are both relevant and up-to-date.

Features

Our AI-driven analysis examines key attributes, capabilities, and other critical factors tailored to each product category. This method allows us to assess effectiveness from various perspectives, ensuring a well-rounded evaluation.
smartphone

Consumer Reviews

We aggregate and evaluate consumer feedback from across the internet, giving weight to ratings and reviews that reflect the most reliable insights. AI enhances this process by filtering and prioritizing data, offering a balanced view without the need for direct personal endorsements.
checklist

Popularity

Our system also considers the popularity of products, analyzing factors such as market presence, reputation, and user satisfaction. By leveraging AI, we capture a comprehensive picture of a product's standing in the market, which may not always be evident through traditional testing.
smartphone-stars

Value for money

AI allows us to compare products based on attributes like price, specifications, and user feedback, helping to determine their value for money. This data-driven approach offers an efficient and reliable way to assess how products stack up against one another in terms of cost-effectiveness.
checklist